import javax.swing.*;
import java.awt.*;

/**
 * @Author: 黑虎阿福
 * @Date: 2023/2/7 12:02
 * @Version: 1.0
 * @Contact: hsf6661@outlook.com
 */
public class Demo {
    public static void main(String[] args) {
        System.out.println("aa");
        JFrame jFrame = new JFrame("fufu窗体");
        jFrame.setBounds(250,150,500,300);


        JLabel jLabel = new JLabel("username");
        jLabel.setFont(new Font("黑体",Font.BOLD,15));

        jFrame.add(jLabel);
        jFrame.setVisible(true);
    }
}
